摘要
煤气化燃料电池发电(IGFC)技术是一种清洁高效的绿色煤电技术,可以与CO_(2)捕集技术相结合实现高效率的CO_(2)捕集,并为后续的碳利用与封存提供基础。本文介绍了IGFC技术的研究进展:首先对IGFC系统的整体流程进行说明,其中包括煤气化、粗煤气净化、燃料电池发电、尾气燃烧与余热回收发电等单元的具体流程及主要技术;然后综述了煤气化与煤气净化单元、燃料电池发电单元及IGFC整体流程的模拟研究进展;并对日本、美国和我国的IGFC技术研发与示范情况与目标进行了说明;最后总结了IGFC技术研发亟需解决的关键问题,其中主要包括大功率燃料电池的长周期运行、粗煤气中温干法净化和尾气纯氧催化燃烧技术开发等技术存在问题,可为后续兆瓦级IGFC系统的开发与示范提供指导。
Integrated gasification fuel cell(IGFC)power generation technology is a clean and efficient green coal power technology,which can be combined with CO_(2) capture technology to achieve CO_(2) capture of high efficiency and get ready for the subsequent utilization and storage.This paper introduces the overall process of IGFC system,including coal gasification,syngas purification,fuel cell power generation,exhaust gas combustion and waste heat recovery system.Researches on coal gasification and syngas purification units,fuel cell power generation units and overall process simulation of IGFC were summarized.Moreover,researches and development on IGFC technology and demonstration of plants in Japan,the United States and China were introduced.Furthermore,the key problems that the IGFC technology research and development needs to solve were summerized,including large power fuel cells in the long period operation,syngas purification in medium temperature and catalytic combustion technology of exhaust gas in pure oxygen.The research can provide guidance for the subsequent development and demonstration of MW-level IGFC systems.
作者
安航
周贤
彭烁
钟迪
姚国鹏
AN Hang;ZHOU Xian;PENG Shuo;ZHONG Di;YAO Guopeng(Huaneng Clean Energy Research Institute Co.,Ltd.,Beijing 102209,China)
出处
《热力发电》
CAS
CSCD
北大核心
2021年第11期20-26,共7页
Thermal Power Generation
基金
国家重点研发计划项目(2017YFB0601901)。
关键词
IGFC
煤气化
燃料电池
尾气燃烧
余热回收
整体流程
IGFC
coal gasification
fuel cell
exhaust gas combustion
waste heat recovery
overall process
